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Finding the Fourth Proportional to 273,679.30, 410,826.15 and 211,624.90

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Solution

The fourth proportional to 273,679.30, 410,826.15 and 211,624.90 is: 317,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,679.30 : 410,826.15 = 211,624.90 : x
  2. Step 2: Convert to fraction form
    273,679.30/410,826.15 = 211,624.90/x
  3. Step 3: Cross multiply
    273,679.30x = 410,826.15 × 211,624.90
  4. Step 4: Simplify right side
    273,679.30x = 86,941,042,911.14
  5. Step 5: Solve for x
    x = 86,941,042,911.14/273,679.30
  6. Step 6: Final answer
    x = 317,674.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.